function GetUUID () {}

GetUUID.prototype = {
  // 生成uuid
  generateUUID () {
    let d = new Date().getTime()
    if (window.performance && typeof window.performance.now === 'function') {
      d += performance.now() // use high-precision timer if available
    }
    const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
      const r = (d + Math.random() * 16) % 16 | 0
      d = Math.floor(d / 16)
      return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16)
    })
    return uuid
  }
}
export default new GetUUID()
